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Finding the Fourth Proportional to 6,160.64, 8,501.52 and 5,665.28

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Solution

The fourth proportional to 6,160.64, 8,501.52 and 5,665.28 is: 7,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.64 : 8,501.52 = 5,665.28 : x
  2. Step 2: Convert to fraction form
    6,160.64/8,501.52 = 5,665.28/x
  3. Step 3: Cross multiply
    6,160.64x = 8,501.52 × 5,665.28
  4. Step 4: Simplify right side
    6,160.64x = 48,163,491.23
  5. Step 5: Solve for x
    x = 48,163,491.23/6,160.64
  6. Step 6: Final answer
    x = 7,817.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.